... Credit Copyright: Rogelio Bernal Andreo Explanation: Well over a thousand galaxies are known members of the Virgo Cluster , the closest large cluster of galaxies to our own local group . ... The Virgo Cluster distance has been used to give an important determination of the Hubble Constant and the scale of the Universe . ... Publications with keywords: Virgo Cluster - galaxy cluster - hubble constant . Publications with words: Virgo Cluster - galaxy cluster - hubble constant . ...